[maven-release-plugin] prepare release maven-help-plugin-3.3.0

pom.xml

@@ -30,7 +30,7 @@
   </parent>
 
   <artifactId>maven-help-plugin</artifactId>
-  <version>3.3.0-SNAPSHOT</version>
+  <version>3.3.0</version>
   <packaging>maven-plugin</packaging>
 
   <name>Apache Maven Help Plugin</name>
@@ -50,7 +50,7 @@
     <connection>scm:git:https://gitbox.apache.org/repos/asf/maven-help-plugin.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/maven-help-plugin.git</developerConnection>
     <url>https://github.com/apache/maven-help-plugin/tree/${project.scm.tag}</url>
-    <tag>HEAD</tag>
+    <tag>maven-help-plugin-3.3.0</tag>
   </scm>
   <issueManagement>
     <system>JIRA</system>
@@ -71,7 +71,7 @@
     <javaVersion>8</javaVersion>
     <mavenVersion>3.2.5</mavenVersion>
     <mavenPluginToolsVersion>3.6.4</mavenPluginToolsVersion>
-    <project.build.outputTimestamp>2020-04-07T21:04:00Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2022-08-14T12:23:53Z</project.build.outputTimestamp>
   </properties>
 
   <dependencies>